public class test3141 {
    public static void main(String[] args){
int arr[]={11,22,33,44,55};
        printArr(arr);
    }
    //数组的遍历
public static void printArr(int[] arr){
        System.out.print("{");
        for(int i=0;i<arr.length;i++){
            if(i==arr.length-1) {
                System.out.print(arr[i]);
            }
            else{
                System.out.print(arr[i]+",");
            }
        }
        System.out.println("}");

}


}
